*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body, #app {
    height: 100vh;
    width: 100%;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f5f5f5;
}
.app-container {
    padding: 15px;
    width: 70%;
    background: #fff;
    box-shadow: inset 0 0 10px #f5f5f5;
    border-radius: 10px;
    height: 500px;
    overflow-y: auto;

}
.user-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 10px;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
    background-color: #f9f9f9;
    p {
        margin: 0;
        font-size: 16px;
        color: #333;
    }
}

button {
   padding: 10px;
   background-color: #007bff;
   color: #fff;
   border: none;
   border-radius: 5px;
   cursor: pointer;
}